RUBBER LINED PNEUMATIC DIAPHRAGM VALVES
Specification
Design and Manufacture Standard: ASME B16.34, HG/T 3704
Face-to-face Dimension: ASME B16.10 , GB/T 12221
Flange Standard: ASME B 16.5 ,GB/T 9119 ,DIN ,JIS
Inspection and Testing: API 598, GB/T 13927
Product Specification
Body Material: WCB, ASTM A395 , CF8 ,CF8M
Lining Material: PTFE, PFA, PO, FEP, EPDM
Nominal Diameter: 1/2"-14"(DN15~DN350)
Pressure Range: Class150 , PN6 , PN10 , PN16
Lining material: PFA, FEP, GXPO etc.
Operation methods: manual, worm gear, electric, pneumatic and hydraulic actuator.
FEATURES:
Non-stick property
Self sealing faces
High resistance to Thermal/Mechanical shock
Suitable for pressure and vacuum application
Easy to install
Long life and Zero maintenance
More economical than glass lined and special alloys
Can be tailor made to suit customer requirements
Products Description:
1.Its main features are heavy-duty, robust construction, maintenance-free, easy replacement of components on site. Convenient, flexible and accurate open or close.
2. It is ideal products used in chlor-alkali, industrial in organic chemicals, metal and mining, nitrogen and phosphatic fertilizers, petroleum refining, pharmaceutical etc.
3.It is not applicable for diaphragm used in medium with hard particles, which will cause diaphragm damage and leakage.
4.The working temperature cannot exceed the specified range.
5.Open the diaphragm too frequent will influence the sealing performance.
Material Specification:
1.Lock screw:A320 B8
2.Body bolt: A320 B8
3.Handwheel: A216 WCB; A351 CF8
4.Sleeve: SS304
5.Bonnet: A216 WCB; A351 CF8; A351 CF8M
6. Stem nut: Brass
7.Stem: 2Cr13; A182 304; A182 316
8.Adjustable pad: SS304
9.Disc: A216 WCB; A351 CF8; A351 CF8M
10.Rubber Diaphragm: EPDM
11.Diaphragm: PFA; FEP
12.Body: A216 WCB+Lining material; A351 CF8+Lining material; A351 CF8M+Lining material
13.Nut: A194 2H; A194 8; A194 8M
14.Flat washer: 45#; A182 304; A185 316
15.Outer hexagonal screw: A197 B7; A320 B8; A193 B8M